Colorado Rockies vs. Athletics

Platform comparison

Active sub-markets

Market context

The Colorado Rockies face the Oakland Athletics on 13 June at 10:05 PM ET in an interleague matchup. Polymarket currently prices a Rockies victory at 43%, implying roughly even odds with a slight lean towards the Athletics. The settlement window extends to 21 June, allowing for postponements common in early summer baseball schedules. On-chain, this conditional token pair trades on Polygon with USDC collateral, meaning traders holding YES tokens benefit from a Rockies win whilst NO holders profit from an Athletics victory.

Historically, the Rockies' home-field advantage at Coors Field has been material—they've won roughly 55% of games there over recent seasons, though this fixture occurs in Oakland. The Athletics' 2024 rebuild has produced inconsistent results; they rank near the bottom of the AL West in most offensive metrics. When comparable matchups between rebuilding teams and mid-tier contenders have occurred, the market typically prices the more established roster slightly higher, though the 43% Rockies probability suggests traders view this as genuinely competitive.

Pitching assignments and injury reports released in the days before 13 June will be critical. The Rockies' rotation depth has been a weakness, whilst the Athletics' bullpen usage patterns—often stretched thin in close games—create late-inning volatility. Weather conditions at Oakland Coliseum, where cooler June temperatures suppress fly-ball distances, may favour the Athletics' weaker offensive profile. Any roster moves or roster decisions announced after market open could shift conditional token prices materially.

Methodology

This page reviews Colorado Rockies vs. Athletics across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Kalshi UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Kalshi UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Kalshi UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Kalshi UK?

Zero. Kalshi UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Kalshi UK triggers a quick verification flow that finishes in minutes.